Mоle equivаlencies 1 mоle = 6.022 x 1023 аtоms, molecules, pаrticles Heat equivalencies Cwater = 4.18 J/g°C 1 calorie (cal) = 4.184 joules (J) q = m x C x ΔT where q = heat (Joules) m = mass (grams) C = specific heat capacity (J/g°C) ΔT = Tfinal - Tinitial q = m x ΔHfusion where q = heat (Joules) m = mass (grams) ΔHfusion = heat of fusion constant = 334 J/g q = m x ΔHvaporization where q = heat (Joules) m = mass (grams) ΔHvaporization = heat of vaporization constant = 2,230 J/g Temperature equivalencies (1.8 x °C) + 32 = °F (°F – 32) = °C 1.8 °C + 273.15 = K Table of Metric Prefixes Prefix Factor Symbol giga 109 G mega 106 M kilo 103 k deci 10−1 d centi 10−2 c milli 10−3 m micro 10−6 μ nano 10−9 n